APA Style

Heller, R, F., Heller, R, F. (1991). The Carbohydrate Addict's Diet: The lifelong solution to yo-yo dieting . New York: A signet book.

MLA Style

Heller, Rachael, F.., Heller, Richard, F.. "The Carbohydrate Addict's Diet: The lifelong solution to yo-yo dieting". New York: A signet book, 1991. Text.